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Finding the Fourth Proportional to 367.97, 507.13 and 357.44

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Solution

The fourth proportional to 367.97, 507.13 and 357.44 is: 492.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    367.97 : 507.13 = 357.44 : x
  2. Step 2: Convert to fraction form
    367.97/507.13 = 357.44/x
  3. Step 3: Cross multiply
    367.97x = 507.13 × 357.44
  4. Step 4: Simplify right side
    367.97x = 181,265.12
  5. Step 5: Solve for x
    x = 181,265.12/367.97
  6. Step 6: Final answer
    x = 492.62

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.